The Pakistan International Airlines (PIA) on Thursday blacklisted an unspecified number of passengers for violating a no-smoking rule and misbehaving with the crew during its Islamabad-Birmingham flight earlier this week.

Islamabad: The Pakistan International Airlines (PIA) on Thursday blacklisted an unspecified number of passengers for violating a no-smoking rule and misbehaving with the crew during its Islamabad-Birmingham flight earlier this week.